On the Environmental Efficiency of Water Storage: The Case of a Conjunctive Use of Ground and Rainwater

Hubert Stahn and Agnes Tomini

Working Papers from HAL

Abstract: Rainwater harvesting, consisting in collecting runoff from precipitation, has been widely developed to stop groundwater declines and even raise water tables. However this expected environmental effect is not self-evident. We show in a simple setting that the success of this conjunctive use depends on whether the runoff rate is above a threshold value. Moreover, the bigger the storage capacity, the higher the runoff rate must be to obtain an environmentally efficient system. We also extend the model to include other hydrological parameters and ecological damages, which respectively increase and decrease the environmental efficiency of rainwater harvesting.

Keywords: groundwater management; rainwater harvesting; optimal control; conjunctive use (search for similar items in EconPapers)
Date: 2014-11
New Economics Papers: this item is included in nep-agr, nep-env and nep-ger
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Working Paper: On the Environmental Efficiency of Water Storage: The Case of a Conjunctive Use of Ground and Rainwater (2014)
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